guvnor vs patois

guvnor and patois both are nouns.

Word	Noun	Adjective	Verb	Adverb
guvnor	Yes	No	No	No
patois	Yes	No	No	No

guvnor (noun)	patois (noun)
(British slang) person in command	a regional dialect of a language (especially French); usually considered substandard
	a characteristic language of a particular group (as among thieves)